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Cisco Bug: CSCsz03113 - Phone ARP cache is not updated by gratuitous ARP requests

Last Modified

Feb 04, 2017

Products (15)

  • Cisco Unified IP Phone 7900 Series
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 7961G-GE
  • Cisco Unified IP Phone 7941G
  • Cisco Unified IP Phone 7911G
  • Cisco Unified IP Phone 7906G
  • Cisco Unified IP Phone 7942G
  • Cisco Unified IP Phone 7975G
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Known Affected Releases

8.4(4)

Description (partial)

Symptom:

Phones don't accept gratuitous ARP requests, sent from the default GW, to advertise a change
in the physical Ethernet interface (new one with different MAC)

Conditions:

'Gratuitous ARP' is enabled under the phone CCM configuration page and the phone receives a gratuitous ARP request, from a network device, to update its ARP table
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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